PCB kukanikiza mavuto wamba

1. Choyera, kuwulula mawonekedwe a nsalu ya galasi

zovuta zimayambitsa:

1. Kuchuluka kwa utomoni ndikokwera kwambiri;

2. Pre-pressure ndi yokwera kwambiri;

3. Nthawi yowonjezeretsa kuthamanga kwambiri ndiyolakwika;

4. Zomwe zili mu utomoni wa pepala lomangirira ndizochepa, nthawi ya gel ndi yaitali, ndipo fluidity ndi yaikulu;

yankho;

1. Kuchepetsa kutentha kapena kupanikizika;

2. Chepetsani pre-pressure;

3. Yang’anani mosamala utomoni ukuyenda panthawi ya lamination, pambuyo pa kusintha kwa kuthamanga ndi kukwera kwa kutentha, sinthani nthawi yoyambira yogwiritsira ntchito kuthamanga kwambiri;

4. Sinthani pre-pressure \ kutentha ndi nthawi yoyambira ya kuthamanga kwambiri;

Awiri, kuchita thovu, kuchita thovu

zovuta zimayambitsa:

1. Pre-pressure ndi yotsika;

2. Kutentha kumakhala kokwera kwambiri ndipo nthawi yapakati pa pre-pressure ndi kuthamanga kwathunthu ndi yayitali kwambiri;

3. Kukhuthala kwamphamvu kwa utomoni ndikwambiri, ndipo nthawi yowonjezerera kukakamiza kwathunthu ndikuchedwa;

4. Zomwe zimasinthasintha ndizokwera kwambiri;

5. Malo omangira si oyera;

6. Kusayenda bwino kapena kusakwanira kupsinjika kusanachitike;

7. Kutentha kwa bolodi kumakhala kochepa.

yankho;

1. Wonjezerani pre-pressure;

2. Kuziziritsa, kuonjezera pre-pressure kapena kufupikitsa chisanadze kupanikizika mkombero;

3. Chigwirizano cha nthawi ndi nthawi chiyenera kufananizidwa kuti chiwongolero, kutentha ndi madzi zigwirizane;

4. Chepetsani kupotoza kusanachitike ndikuchepetsa kutentha kwa kutentha, kapena kuchepetsa kusinthasintha;

5. Limbikitsani mphamvu ya ntchito yoyeretsa.

6. Wonjezerani pre-pressure kapena sinthani pepala lomangirira.

7. Yang’anani machesi otenthetsera ndikusintha kutentha kwa sitampu yotentha

3. Pali maenje, utomoni ndi makwinya pamwamba pa bolodi

zovuta zimayambitsa:

1. Kugwiritsira ntchito molakwika kwa LAY-UP, madontho a madzi pamwamba pa chitsulo chachitsulo chomwe sichinapukutidwe chouma, kuchititsa kuti zojambulazo zamkuwa ziwonongeke;

2. Pamwamba pa bolodi amataya kupanikizika pamene akukankhira bolodi, zomwe zimayambitsa kutaya kwambiri kwa utomoni, kusowa kwa guluu pansi pa zojambulazo zamkuwa, ndi makwinya pamwamba pa zojambulazo zamkuwa;

yankho;

1. Sambani bwino mbale yachitsulo ndi kusalaza pamwamba pa zojambulazo zamkuwa;

2. Samalani kusinthasintha kwa mbale zapamwamba ndi zapansi ndi mbale pokonza mbale, kuchepetsa kuthamanga kwa ntchito, kugwiritsa ntchito filimu yotsika ya RF%, kuchepetsa nthawi yothamanga ya utomoni ndikufulumizitsa kutentha;

Chachinayi, zojambula zamkati zamkati zimasuntha

zovuta zimayambitsa:

1. Chojambula chamkati chamkuwa chimakhala ndi mphamvu zochepa zopukuta kapena kutentha kosasunthika kapena m’lifupi mwake ndi woonda kwambiri;

2. Pre-pressure ndi yokwera kwambiri; kukhuthala kwamphamvu kwa utomoni ndi kochepa;

3. The atolankhani template si kufanana;

yankho;

1. Sinthani ku bolodi yapamwamba yamkati-wosanjikiza-wovala;

2. Chepetsani pre-pressure kapena sinthani pepala lomatira;

3. Sinthani template;

Asanu, makulidwe osagwirizana, kutsetsereka kwamkati

zovuta zimayambitsa:

1. Makulidwe onse a mbale yopangira mawindo omwewo ndi osiyana;

2. The anasonkhanitsa makulidwe kupatuka kwa bolodi kusindikizidwa mu gulu kupanga ndi lalikulu; kufanana kwa template yowotchera yotentha kumakhala kosauka, bolodi laminated likhoza kusuntha momasuka, ndipo phula lonselo liri pakatikati pa template yotentha;

yankho;

1. Sinthani ku makulidwe omwewo;

2. Sinthani makulidwe, sankhani laminate yamkuwa yokhala ndi kupatuka kwa makulidwe ang’onoang’ono; sinthani kufanana kwa bolodi la filimu yotenthetsera, kuchepetsa ufulu woyankha zambiri pa bolodi laminated, ndikuyesetsa kuyika laminate pakatikati pa template yotenthedwa;

Chachisanu ndi chimodzi, interlayer dislocation

zovuta zimayambitsa:

1. Kukula kwamafuta azinthu zamkati zosanjikiza ndi kutuluka kwa utomoni wa pepala lomangira;

2. Kutentha kwa kutentha pa nthawi ya lamination;

3. Coefficient yowonjezera kutentha kwa laminate ndi template ndizosiyana kwambiri.

yankho;

1. Kuwongolera mawonekedwe a pepala lomatira;

2. Mbaleyo yatenthedwa pasadakhale;

3. Gwiritsani ntchito bolodi lamkati lamkuwa ndi pepala lomangira lokhazikika bwino.

Zisanu ndi ziwiri, mbale kupindika, mbale warpage

zovuta zimayambitsa:

1. Kapangidwe ka asymmetric;

2. Kusakwanira kuchiritsa kuzungulira;

3. Njira yodulira ya pepala lomangirira kapena laminate yamkati yamkuwa imakhala yosagwirizana;

4. Gulu lamitundu yambiri limagwiritsa ntchito mbale kapena mapepala omangirira kuchokera kwa opanga osiyanasiyana.

5. Bolodi la multilayer limayendetsedwa molakwika pambuyo pochiritsa ndi kutulutsa kukakamizidwa

yankho;

1. Yesetsani kupanga ma symmetrical mawaya kachulukidwe ndi kuyika kofanana kwa mapepala omangirira mu lamination;

2. Tsimikizirani kuzungulira kwa machiritso;

3. Yesetsani kutsatira njira yodulira.

4. Zidzakhala zopindulitsa kugwiritsa ntchito zipangizo zopangidwa ndi wopanga yemweyo mu nkhungu yophatikizana

5. Bolodi ya multilayer imatenthedwa mpaka pamwamba pa Tg pansi pa kupanikizika, kenako imasungidwa pansi pa kupanikizika ndikukhazikika mpaka kutentha kwa chipinda.

Eyiti, stratification, kutentha stratification

zovuta zimayambitsa:

1. Kutentha kwakukulu kapena kusungunuka kwamkati mkati;

2. Kusakhazikika kwakukulu mu pepala lomatira;

3. Kuipitsa mkati; kuipitsa zinthu zachilendo;

4. Pamwamba pa oxide wosanjikiza ndi zamchere; pali zotsalira za chlorite pamwamba;

5. Makutidwe ndi okosijeni ndi achilendo, ndipo kristalo wosanjikiza wa oxide ndi wautali kwambiri; chithandizo chisanachitike sichinapange malo okwanira.

6. Kusagwedezeka kokwanira

yankho;

1. Musanayambe lamination, kuphika wosanjikiza wamkati kuchotsa chinyezi;

2. Sinthani malo osungira. Pepala lomatira liyenera kugwiritsidwa ntchito mkati mwa mphindi 15 mutachotsedwa pamalo owumitsa vacuum;

3. Sinthani opareshoni ndikupewa kukhudza malo ogwirira ntchito;

4. Limbikitsani kuyeretsa pambuyo ntchito makutidwe ndi okosijeni; kuyang’anira mtengo wa PH wa madzi oyeretsera;

5. Kufupikitsa nthawi ya okosijeni, sinthani kuchuluka kwa yankho la okosijeni kapena gwiritsani ntchito kutentha, onjezerani kachulukidwe kakang’ono, ndikuwongolera mawonekedwe apamwamba.

6. Tsatirani ndondomeko zofunika